Explain the purpose of breast milk for the immune system.

Breast milk is the milk produced by the breasts or mammary glands. It is an important nourishment source for the new born infants who cannot eat or drink complex food. It contains essential antibodies (IgA, IgG, and IgM). which are important for providing the immunity to the new born from diseases and infections. Other immunity factors include lysozyme, proline rich polypeptides, lactoferrin all these factors will provide innate immunity. The fat concentration is high in colostrum can be useful for increasing the weight of the newborn and providing good health.